From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 83561C11F6A for ; Wed, 30 Jun 2021 11:31:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5FB3C61419 for ; Wed, 30 Jun 2021 11:31:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234292AbhF3LeS (ORCPT ); Wed, 30 Jun 2021 07:34:18 -0400 Received: from szxga02-in.huawei.com ([45.249.212.188]:9438 "EHLO szxga02-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234148AbhF3LeS (ORCPT ); Wed, 30 Jun 2021 07:34:18 -0400 Received: from dggemv703-chm.china.huawei.com (unknown [172.30.72.57]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4GFJy13ZfRzZpDQ; Wed, 30 Jun 2021 19:28:41 +0800 (CST) Received: from dggema759-chm.china.huawei.com (10.1.198.201) by dggemv703-chm.china.huawei.com (10.3.19.46) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256) id 15.1.2176.2; Wed, 30 Jun 2021 19:31:48 +0800 Received: from huawei.com (10.175.101.6) by dggema759-chm.china.huawei.com (10.1.198.201) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2176.2; Wed, 30 Jun 2021 19:31:47 +0800 From: Sun Ke To: , , , CC: Subject: [PATCH v3 2/3] generic/103: special left calculation for f2fs Date: Wed, 30 Jun 2021 19:37:35 +0800 Message-ID: <20210630113736.551843-3-sunke32@huawei.com> X-Mailer: git-send-email 2.25.4 In-Reply-To: <20210630113736.551843-1-sunke32@huawei.com> References: <20210630113736.551843-1-sunke32@huawei.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7BIT Content-Type: text/plain; charset=US-ASCII X-Originating-IP: [10.175.101.6] X-ClientProxiedBy: dggems706-chm.china.huawei.com (10.3.19.183) To dggema759-chm.china.huawei.com (10.1.198.201) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: fstests@vger.kernel.org It failed on f2fs: QA output created by 103 +fallocate: No space left on device Silence is golden. ... f2fs uses index(radix) tree as mapping metadata, its space overhead is about one thousandth of the data. Suggested-by: Chao Yu Signed-off-by: Sun Ke --- tests/generic/103 | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/tests/generic/103 b/tests/generic/103 index 795f851dc6c8..4efa1dc366f9 100755 --- a/tests/generic/103 +++ b/tests/generic/103 @@ -27,10 +27,18 @@ _require_xfs_io_command "falloc" _consume_freesp() { file=$1 + left=512 # consume nearly all available space (leave ~512kB) avail=`_get_available_space $SCRATCH_MNT` - filesizekb=$((avail / 1024 - 512)) + + # f2fs uses index(radix) tree as mapping metadata, its space overhead + # is about one thousandth of the data + if [ $FSTYP == "f2fs" ]; then + left=$((left + avail / 1024000)) + fi + + filesizekb=$((avail / 1024 - $left)) $XFS_IO_PROG -fc "falloc 0 ${filesizekb}k" $file } -- 2.25.4